| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "PerformanceTimer.h" |
| |
| #include <decaf/lang/System.h> |
| |
| using namespace std; |
| using namespace benchmark; |
| using namespace decaf::lang; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| PerformanceTimer::PerformanceTimer() : numberOfRuns(0), times(), startTime(0), endTime(0) { |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| PerformanceTimer::~PerformanceTimer(){ |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void PerformanceTimer::start(){ |
| this->startTime = System::currentTimeMillis(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void PerformanceTimer::stop(){ |
| |
| this->endTime = System::currentTimeMillis(); |
| times.push_back( endTime - startTime ); |
| numberOfRuns++; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void PerformanceTimer::reset(){ |
| this->startTime = 0; |
| this->endTime = 0; |
| this->times.clear(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| long long PerformanceTimer::getAverageTime() const{ |
| |
| std::vector<long long>::const_iterator iter = times.begin(); |
| long long totalTime = 0; |
| |
| do{ |
| totalTime += *iter; |
| } while( ++iter != times.end() ); |
| |
| if( totalTime == 0 || numberOfRuns == 0 ) { |
| return 0; |
| } |
| |
| return totalTime / numberOfRuns; |
| } |